v3.23.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Cash flows from operating activities      
Net loss $ (217,863) $ (152,098) $ (139,931)
Adjustments to reconcile net loss to net cash used in operating activities      
Depreciation and amortization 16,514 9,750 6,677
Non-cash lease expense, net of tenant improvement allowance 20,127 2,243 (1,043)
Gain on deconsolidation of Revelar (4,607) 0 0
Loss on disposal of property and equipment 0 2 0
Stock-based compensation 79,664 36,998 17,096
Discount (premium) accretion on investment securities 1,315 593 (214)
Realized gain on investments 0 (5) 0
Allowance for doubtful accounts (11) 40 0
Change in fair value of contingent considerations and holdbacks (14,245) (534) 0
Non-cash interest expense 3 67 152
Amortization of debt discount 4 81 184
Write off property and equipment 70 0 0
Changes in assets and liabilities:      
Accounts receivable, net (9,622) (2,202) (14,272)
Inventories (7,536) (19,489) (4,956)
Prepaid expenses and other current assets (2,551) (2,058) (3,683)
Other non-current assets 7,273 (4,653) (554)
Accounts payable 7,383 8,542 (5,506)
Accrued expenses 2,269 3,115 (2,648)
Accrued compensation 4,852 7,392 4,465
Other liabilities (7,424) (28) 1,978
Net cash used in operating activities (124,385) (112,244) (142,255)
Cash flows from investing activities      
Purchases of property and equipment (101,857) (27,061) (9,868)
Business acquisition, net of cash acquired (8,160) (483) 0
Deconsolidation of cash and cash equivalent relating to Revelar (5,755) 0 0
Purchases of investments (217,639) (58,795) (202,882)
Proceeds from maturity of investments 100,481 242,494 98,100
Net cash provided by (used in) investing activities (232,930) 156,155 (114,650)
Cash flows from financing activities      
Proceeds from exercise of stock options 6,014 14,559 10,495
Proceeds from public offerings, net of underwriting discounts, commissions and offering expenses 269,822 323,861 295,563
Proceeds from issuance under employee stock purchase plan 4,010 4,944 3,428
Repayments of long-term debt (1,558) (3,333) (3,333)
Repurchases of common stock for income tax withholding (7,754) (10,849) (2,421)
Net cash provided by financing activities 270,534 329,182 303,732
Effect of exchange rates on cash, cash equivalents and restricted cash (319) 20 21
Net increase (decrease) in cash, cash equivalents and restricted cash (87,100) 373,113 46,848
Cash, cash equivalents, and restricted cash at beginning of year 467,359 94,246 47,398
Cash, cash equivalents, and restricted cash at end of year 380,259 467,359 94,246
Supplemental disclosure of cash flow information      
Interest paid 9 167 438
Income taxes paid, net of refunds 246 101 172
Non-cash investing and financing activities      
Property and equipment additions included in accrued expenses and accounts payable 6,297 2,011 1,333
Operating lease right-of-use assets obtained in exchange for operating lease liabilities 21,367 33,617 3,718
Issuance of common stock in connection with the business acquisition $ 77,122 $ 26,773 $ 0